/*
 * Unix PuTTY main program.
 */

#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>

#include "putty.h"
#include "storage.h"

#include "gtkcompat.h"

/*
 * Stubs to avoid uxpty.c needing to be linked in.
 */
const int use_pty_argv = FALSE;
char **pty_argv; /* never used */
char *pty_osx_envrestore_prefix;

/*
 * Clean up and exit.
 */
void cleanup_exit(int code)
{
  /*
   * Clean up.
   */
  sk_cleanup();
  random_save_seed();
  exit(code);
}

Backend *select_backend(Conf *conf)
{
  Backend *back = backend_from_proto(conf_get_int(conf, CONF_protocol));
  assert(back != NULL);
  return back;
}

int cfgbox(Conf *conf)
{
  char *title = dupcat(appname, " Configuration", NULL);
  int ret = do_config_box(title, conf, 0, 0);
  sfree(title);
  return ret;
}

static int got_host = 0;

const int use_event_log = 1, new_session = 1, saved_sessions = 1;
const int dup_check_launchable = 1;

int process_nonoption_arg(const char *arg, Conf *conf, int *allow_launch)
{
  char *argdup, *p, *q;
  argdup = dupstr(arg);
  q = argdup;

  if (got_host) {
    /*
     * If we already have a host name, treat this argument as a
     * port number. NB we have to treat this as a saved -P
     * argument, so that it will be deferred until it's a good
     * moment to run it.
     */
    int ret = cmdline_process_param("-P", argdup, 1, conf);
    assert(ret == 2);
  } else if (!strncmp(q, "telnet:", 7)) {
    /*
     * If the hostname starts with "telnet:",
     * set the protocol to Telnet and process
     * the string as a Telnet URL.
     */
    char c;

    q += 7;
    if (q[0] == '/' && q[1] == '/')
      q += 2;
    conf_set_int(conf, CONF_protocol, PROT_TELNET);
    p = q;
    p += host_strcspn(p, ":/");
    c = *p;
    if (*p)
      *p++ = '\0';
    if (c == ':')
      conf_set_int(conf, CONF_port, atoi(p));
    else
      conf_set_int(conf, CONF_port, -1);
    conf_set_str(conf, CONF_host, q);
    got_host = 1;
  } else {
    /*
     * Otherwise, treat this argument as a host name.
     */
    p = argdup;
    while (*p && !isspace((unsigned char)*p))
      p++;
    if (*p)
      *p++ = '\0';
    conf_set_str(conf, CONF_host, q);
    got_host = 1;
  }
  if (got_host)
    *allow_launch = TRUE;

  sfree(argdup);

  return 1;
}

char *make_default_wintitle(char *hostname)
{
  return dupcat(hostname, " - ", appname, NULL);
}

/*
 * X11-forwarding-related things suitable for Gtk app.
 */

char *platform_get_x_display(void)
{
  const char *display;
  /* Try to take account of --display and what have you. */
  if (!(display = gdk_get_display()))
    /* fall back to traditional method */
    display = getenv("DISPLAY");
  return dupstr(display);
}

const int share_can_be_downstream = TRUE;
const int share_can_be_upstream = TRUE;

void setup(int single)
{
  sk_init();
  flags = FLAG_VERBOSE | FLAG_INTERACTIVE;
  default_protocol = be_default_protocol;
  /* Find the appropriate default port. */
  {
    Backend *b = backend_from_proto(default_protocol);
    default_port = 0; /* illegal */
    if (b)
      default_port = b->default_port;
  }
}
